Constant voltage value and constant current value can be continuously adjustable within the range 0~100%. 2, All the items must be returned in original condition, in order to quality for a refund or exchange of goods. 5, If further details, please feel free to contact us , we will work with you to reach win-win situation.

Q3:How about the Quality9 We have the best professional and experienced engineer and strict QA and QC system,Repair rate under 0.1%-0.2%. Q4:What's your lead time9 The delivery time is 1-20days which depend on detail items and quantity. Q5:Can we be your distributor9 We are looking for distributor and agent all over the world for switching power supply.

1. How could I buy products if there is no price on the website9 Buyers need to send required product details via e-mail. 2. How long could I get reply of my enquiry9 Buyers will get a reply within 12 hours. 3. How is the after sales service9 Buyers updated market information regularly.

2. Provide protection against surge protection and avoid the instantaneous current overshoot. 3.The output voltage current can be adjusted in a wide range, so that users can use it flexibly. We are the grey hair of power supply business and honor to serve many Value customers from all over the world.

We can custom design the casing and custom logo to match customer market share. We do have enough ability to produce your customized order b. 4. We would appreciate for your any comment about our offer, including price, quality, service.

factory More Products Q: Are you trading company or manufacturer9 A: We are factory. Q: What are your main products9 A: We mainly produce electric vehicle power supply, including OBC, dc converter and integrated power supply. Q: how long is your delivery time9 A: Within 15 days, small sample order 5-7 days.

Electrical equipment supplies 5V 5A 25w AC/DC Switching mode power supply Contact Welcome Friend! This is a truth factory produce all kind of power supply! If you can not find the product what you need, pls contact me straghtly!

Alibaba.com offers 1,425 220v variable dc power supply products. About 70% of these are switching power supply, 6% are industrial power supply, and 3% are voltage regulators/stabilizers.
A wide variety of 220v variable dc power supply options are available to you, such as 101 - 200w, >500w, and 301 - 400w. You can also choose from single, dc, and triple. As well as from 220v, 110v, and 380v. And whether 220v variable dc power supply is dc/ac inverters, dc/dc converters, or standby.
There are 1,425 220v variable dc power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and South Korea, which supply 99%, 1%, and 1% of 220v variable dc power supply respectively.
20v variable dc power supply products are most popular in Western Europe, Mid East, and Domestic Market.
You can ensure product safety by selecting from certified suppliers, including 514 with ISO9001, 262 with Other, and 76 with ISO14001 certification.